Perhaps you should try some spelling variations:
nordlichen europa » ostlichen europa (Expand Search)
zur volkskunde » fur volkskunde (Expand Search)
instituts zur » instituts fur (Expand Search), instituts der (Expand Search), institut der (Expand Search)
zu nordlichen » im nordlichen (Expand Search), dem nordlichen (Expand Search), den nordlichen (Expand Search)
deutschen zu » deutschen zum (Expand Search), deutschen zur (Expand Search), deutschen aus (Expand Search)

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: instituts zur volkskunde _ deutschen zu nordlichen europa~.
• Adding a wildcard symbol may retrieve word variants: instituts zur volkskunde _ deutschen zu nordlichen europa*.